Massive: pay, who can join and open jobs

Massive (legal entity Do a Huddle, Inc., founder Dan Vykhopen) finds and vets senior domain experts to train and evaluate frontier AI models, usually working directly with researchers at an AI lab. Open roles: Senior Corporate Law Expert at 300 USD per hour for 10 to 35 hours a week (4-month engagement, can run alongside a full-time job), and SWE Expert at 150 USD per hour, 40 hours a week, exclusive, reviewing code diffs, pull requests and transcripts of AI coding agents (10+ years of experience). How it works: apply to a role or join the bench, then a 30-minute interview where they name the client and walk you through the work. Most engagements are 10 to 20 hours a week, remote and async. Rates up to 300 USD per hour are shown on each role page; you are paid as W-2 or 1099 through their employment partner. Current roles are open in the US only.